| 甘肃兰州市耕地动态变化与驱动力关系定量研究 |
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| 引用本文： | 武江民,赵学茂,党国锋.甘肃兰州市耕地动态变化与驱动力关系定量研究[J].干旱区资源与环境,2010(12). |
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| 作者姓名： | 武江民 赵学茂 党国锋 |
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| 作者单位： | 西北师范大学地理与环境科学学院; |
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| 摘 要： | 利用1990～2004年兰州市耕地统计资料,对该地区耕地资源利用与变化的基本特征和主要驱动机制进行了分析。运用主成分分析法对耕地变化及其影响因子的关系进行了定量研究,将其概括为人口经济因素和农业科技因素。在此基础上,建立了耕地动态变化与社会驱动因子之间的回归模型。
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| 关 键 词： | 耕地变化 驱动因子 定量研究 兰州 |
Variation of cultivated land and its driving forces in Lanzhou city,Gansu |
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| WU Jiangmin,ZHAO Xuemao,DANG Guofeng.Variation of cultivated land and its driving forces in Lanzhou city,Gansu[J].Journal of Arid Land Resources and Environment,2010(12). |
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| Authors: | WU Jiangmin ZHAO Xuemao DANG Guofeng |
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| Institution: | WU Jiangmin,ZHAO Xuemao,DANG Guofeng(Northwest Normal University,Lanzhou 730070,P.R.China) |
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| Abstract: | Using the statistical data of cultivated land from 1990 to 2004 in Lanzhou city,the basic features and driving forces about utilization and change of the cultivated land were studied.Eight driving forces factors affecting the change of cultivated land were chosen to analyze the relation between them by using Principal Component Analysis.The result showed the main influencing factors were the economic factor,social system factor and agricultural technique force.A linear regression model was made in the end. |
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| Keywords: | cultivated land change drive forces quantity study Lanzhou city |
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